// Copyright 2020 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef SRC_AST_ACCESS_H_
#define SRC_AST_ACCESS_H_

#include <ostream>
#include <string>

namespace tint {
namespace ast {

/// The access control settings
enum Access {
  /// Not declared in the source
  kUndefined = 0,
  /// Read only
  kRead,
  /// Write only
  kWrite,
  /// Read write
  kReadWrite,
  // Last valid access mode
  kLastValid = kReadWrite,
};

/// @param out the std::ostream to write to
/// @param access the Access
/// @return the std::ostream so calls can be chained
std::ostream& operator<<(std::ostream& out, Access access);

}  // namespace ast
}  // namespace tint

#endif  // SRC_AST_ACCESS_H_
